Thread: 338 data request
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Old 06-02-2009, 11:10 AM
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Spook Spook is offline
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Join Date: Aug 2005
Posts: 499
I use actual experience. Any load that gets 250 grains out the barrel at 1050FPS with the powders I have listed,is close enough for me to fine tune to my particular barrel.
Last edited by Spook; 06-02-2009 at 04:00 PM.
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